Not all devices with a switch chip are capable of VLAN switching on a hardware level, check the supported features for each switch chip, the compatibility table can be found Herehere. If a device has VLAN table support, then it is capable of VLAN switching using the built-in switch chip. You can check the device's switch chip either in the provided link or by using /interface ethernet switch print

By default, the bridge interface is configured with protocol-mode set to rstp. For some devices, this can disable hardware offloading because specific switch chips do not support this feature. See the Bridge Hardware Offloading section with supported features.